//import auth from '@/plugins/auth'
import router, { constantRoutes } from "../../router";
//import { getRouters } from '@/api/menu'
import Layout from "@/layout/index";
//import ParentView from '@/components/ParentView'
import InnerLink from "@/layout/components/InnerLink";

function hasPermission(roles, route) {
  if (route.meta && route.meta.roles) {
    return roles.some((role) => route.meta.roles.includes(role));
  } else {
    return true;
  }
}

export function filterAsyncRoutes(routes, roles) {
  const res = [];

  routes.forEach((route) => {
    const tmp = { ...route };
    if (hasPermission(roles, tmp)) {
      if (tmp.children) {
        tmp.children = filterAsyncRoutes(tmp.children, roles);
      }
      res.push(tmp);
    }
  });

  return res;
}

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter((route) => {
    if (type && route.children) {
      route.children = filterChildren(route.children);
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === "Layout") {
        route.component = Layout;
      } else if (route.component === "ParentView") {
        route.component = ParentView;
      } else if (route.component === "InnerLink") {
        route.component = InnerLink;
      } else {
        route.component = loadView(route.component);
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type);
    } else {
      delete route["children"];
      delete route["redirect"];
    }
    return true;
  });
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = [];
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === "ParentView" && !lastRouter) {
        el.children.forEach((c) => {
          c.path = el.path + "/" + c.path;
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c));
            return;
          }
          children.push(c);
        });
        return;
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + "/" + el.path;
    }
    children = children.concat(el);
  });
  return children;
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = [];
  routes.forEach((route) => {
    res.push(route);
    // if (route.permissions) {
    //   if (auth.hasPermiOr(route.permissions)) {
    //     res.push(route)
    //   }
    // } else if (route.roles) {
    //   if (auth.hasRoleOr(route.roles)) {
    //     res.push(route)
    //   }
    // }
  });
  return res;
}

// export const loadView = (view) => {
//   if (process.env.NODE_ENV === "development") {
//     return (resolve) => require([`@/views/${view}`], resolve);
//   } else {
//     // 使用 import 实现生产环境的路由懒加载
//     return () => import(`../../views/${view}`);
//   }
// };

const state = {
  routes: [],
  addRoutes: [],
  defaultRoutes: [],
  topbarRouters: [],
  sidebarRouters: [],
};

const mutations = {
  SET_ROUTES: (state, routes) => {
    console.log("进这里了吗");
    state.addRoutes = routes;
    state.routes = constantRoutes.concat(routes);
    console.log("进这里了吗---------->", state.addRoutes);
  },
  SET_DEFAULT_ROUTES: (state, routes) => {
    state.defaultRoutes = constantRoutes.concat(routes);
  },
  SET_TOPBAR_ROUTES: (state, routes) => {
    state.topbarRouters = routes;
  },
  SET_SIDEBAR_ROUTERS: (state, routes) => {
    state.sidebarRouters = routes;
  },
};
const actions = {
  // 生成路由
  GenerateRoutes({ commit }, roles) {
    return new Promise((resolve) => {
      // 向后端请求路由数据
      // getRouters().then(res => {
      //   const sdata = JSON.parse(JSON.stringify(res.data))
      //   const rdata = JSON.parse(JSON.stringify(res.data))
      //   const sidebarRoutes = filterAsyncRouter(sdata)
      //   const rewriteRoutes = filterAsyncRouter(rdata, false, true)
      //   const asyncRoutes = filterDynamicRoutes(dynamicRoutes);
      //   rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })
      //   router.addRoutes(asyncRoutes);
      //   commit('SET_ROUTES', rewriteRoutes)
      //   commit('SET_SIDEBAR_ROUTERS', constantRoutes.concat(sidebarRoutes))
      //   commit('SET_DEFAULT_ROUTES', sidebarRoutes)
      //   commit('SET_TOPBAR_ROUTES', sidebarRoutes)
      //   resolve(rewriteRoutes)
      // })
      let accessedRoutes;
      if (roles.includes("admin")) {
        accessedRoutes = asyncRoutes || [];
      } else {
        accessedRoutes = filterAsyncRoutes(constantRoutes, roles);
        console.log("accessedRoutes", accessedRoutes);
      }
      console.log("accessedRoutes--111111------------->", accessedRoutes);
      commit("SET_ROUTES", accessedRoutes);

      resolve(accessedRoutes);
    });
  },
};

export default {
  namespaced: true,
  state,
  mutations,
  actions,
};
